#include <stdio.h>
#include <math.h>
#define pi 3.1415926
int main(void)
{
	double x = pi / 4, y = 4.0, a, b, c, d, e, f;
	float g;

	a = sin(x);
	b = cos(M_PI);//常数
	c = log(x);
	d = sqrt(x);
	e = pow(3, y);
	f = sin(x) + exp(y) - log10(y) * sqrt(y) / pow(3.2, 4.4);
	g = log(M_E); //常数

	printf("a = %lf\n", a);
	printf("b = %lf\n", b);
	printf("c = %lf\n", c);
	printf("d = %lf\n", d);
	printf("e = %lf\n", e);
	printf("f = %lf\n", f);
	printf("g = %lf\n", g);
}


